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Design an algorithm to find the real roots of a quadratic equation of the form ax2+ bx +c =0 , where a, b, and c are real numbers, and a is nonzero.   A student spends a majority of his weekend playing and watching sports, thereby tiring him out and leading him to oversleep and […]

Suppose that num1, num2, and num3 are int variables and the following statements are executed in sequence. 1. num1 = 18; 2. num1 = num1 + 27; 3. num2 = num1; 4. num3 = num2 / 5; 5. num3 = num3 / 4; The following table shows the values of the variables after the execution

Consider the following C++ floating-point expressions: 12.8 * 17.5 – 34.50 x * 10.5 + y – 16.2 Here, x and y are variables of type double. The following C++ program evaluates the preceding expressions:

6.     Write an object-oriented program in C++ to generate the following series of numbers using constructor, destructor and inline member functions. (i)                                                                                                                                                (ii) 1                                         1 2 1               1 2         3 2 1             1 2 3     4

The C11 program in Example 2-18 illustrates how to read strings and numeric data. The following statements are examples of variable declarations: int a, b, c; double x, y The following statements are examples of executable statements: a = 4; //assignment statement cin >> b; //input statement cout < a=””>< “=”” “=””>< b=””>< endl;=”” output=””>

Part 2. Interest calculations.Ask the user to enter a principal amount, in dollars and cents. Then ask the user for the annual interest rate. A rate of 5.25% per year would be entered as 5.25.(a) Calculate the interest earned for one year, compounded annually. Display the inputs, the interest earned, and the total balance at

If int x = 10;, int y = 7;, double z = 4.5;, and double  w = 2.5;, evaluate each of the following statements, if possible. If it is not possible, state the reason. a. (x + y) % x  b. x % y + w c. (z – y) / w d. (y +

Before starting this class, many of you probably thought that Excel was simply a spreadsheet program used by accountants. In reality, Excel has functions that we can use in our daily lives. For this assignment, draft a two-page essay in which you describe how Excel can be used in each of the following areas of

What is the difference between a reserved word and a user-defined identifier? Are the identifiers quizNo1 and quizno1 the same? Evaluate the following expressions. a. 25 + 4 – 7 b. 8 / 3 c. 13 / 3 * 6 – 10 d. 3 + 5 % 6 e. 28 / 4.0 f. 20 –

Suppose that x, y, z, and w are int variables. What is stored in x, y, z, and w after the following statements execute? x = 9; y = x – 4; z = (y + 7) % 6; w = (x * z) / y – 3; z = w + (x – y